Dynamic Localized SNV, Peak SNV, and Partial Peak SNV: Novel Standardization Methods for Preprocessing of Spectroscopic Data Used in Predictive Modeling

Autor: Emily Grisanti, Maria Totska, Stefan Huber, Christina Krick Calderon, Monika Hohmann, Dominic Lingenfelser, Matthias Otto

Publikováno v: Journal of Spectroscopy, Vol 2018 (2018)

An essential part of multivariate analysis in spectroscopic context is preprocessing. The aim of preprocessing is to remove scattering phenomena or disturbances in the spectra due to measurement geometry in order to improve subsequent predictive mode

Externí odkaz: https://doaj.org/article/148ccc3f778c43acbabf2bd254308d13

Dynamic Localized SNV, Peak SNV, and Partial Peak SNV: Novel Standardization Methods for Preprocessing of Spectroscopic Data Used in Predictive Modeling

Autor: Christina Krick Calderon, Emily Grisanti, Dominic Lingenfelser, Matthias Otto, Monika Hohmann, Stefan Huber, Maria Totska

Publikováno v: Journal of Spectroscopy, Vol 2018 (2018)

An essential part of multivariate analysis in spectroscopic context is preprocessing. The aim of preprocessing is to remove scattering phenomena or disturbances in the spectra due to measurement geometry in order to improve subsequent predictive mode

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04bd5b3e80b49136a66e682ffe4e56a9
https://doi.org/10.1155/2018/5037572

Quantitative 1H NMR Analysis of Egg Yolk, Alcohol, and Total Sugar Content in Egg Liqueurs

Autor: Helmut Wachter, Monika Hohmann, Claudia Bauer-Christoph, Bernd Diehl, Ulrike Holzgrabe, Verena Koospal, Norbert Christoph

Publikováno v: Journal of Agricultural and Food Chemistry. 63:4112-4119

Analyzing egg liqueurs for compliance with legal requirements means several different time-consuming preparations and analytical processes. In this paper, we describe the approach to use quantitative 1H NMR spectroscopy as an accurate alternative tec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc28057c4b1ef481cf53ef675d755bb1
https://doi.org/10.1021/acs.jafc.5b00940

Improved classification of fused data: Synergetic effect of partial least squares discriminant analysis (PLS-DA) and common components and specific weights analysis (CCSWA) combination as applied to tomato profiles (NMR, IR and IRMS)

Autor: Helmut Wachter, Douglas N. Rutledge, Yulia B. Monakhova, Norbert Christoph, Monika Hohmann

Publikováno v: Chemometrics and Intelligent Laboratory Systems
Chemometrics and Intelligent Laboratory Systems, Elsevier, 2016, 156, pp.1-6. ⟨10.1016/j.chemolab.2016.05.006⟩

Discriminant analysis (DA) methods are well-known chemometric approaches for solving classification problems in chemistry. Recently, specific multiblock methods, such as common components and specific weights analysis (CCSWA), have been developed whi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ccb6324e87d0ec793080b7550b3aff42
https://hal.archives-ouvertes.fr/hal-01532592

Bio oder nicht - lassen sich die Produkte durch1H-NMR-Spektroskopie unterscheiden?

Autor: Norbert Christoph, Helmut Wachter, Monika Hohmann, Ulrike Holzgrabe

Publikováno v: Chemie in unserer Zeit. 49:8-9

Die Nachfrage nach okologisch produzierten Lebensmitteln steigt an. Da diese zu hoheren Preisen als entsprechende konventionell produzierte Ware verkauft werden konnen, steigt gleichzeitig das Betrugsrisiko. Deshalb bedarf es geeigneter Analyseverfah

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9f1fd27f27c44fe22c7ac1eedc448d3
https://doi.org/10.1002/ciuz.201480017